These two machines both chomp through landfill waste to produce oil, gas, and other forms of energy.

Lastly, good old-fashioned human power. Not so earth-shatteringly bizarre, unless you’re making ice cream with a yo-yo (similar US version here).

Top Five - Random Energy Sources

Hydrogen, fuel cells, wind turbines, and photovoltaics are the way of the future, but the clever thinking to make energy production green doesn’t stop there. We now give you the strangest sources of energy we’ve found so far.... [by KK]Coal-burning power